MERCEDES-BENZ A-CLASS HATCHBACK 2018 Repair Manual

R
The child restra int sy stem must not touch the
ro of or be put under stra in by the head
re stra ints. Adjust the head restra ints accord‐
ing ly.
R Obser vethe manufacturer's ins tallation
instructions forth ech ild restra int sy stem. Legend
for the table:
X Not suitable for an ISOFIX child
re stra int sy stem in this we ight category
and/or size categor y.
IUF Suitable forfo rw ard-facing ISOFIX child
re stra int sy stems of the "Universal" cat‐
egory in this we ight categor y. IL
Suitable for ISOFIX child restra int sys‐
te ms according totheta ble in "Over‐
view of there commended child
re stra int sy stems", or if theve hicle and
th e seat are lis ted in thech ild restra int
sy stem manufacturer's vehicle model
list. We
ight categories Size categoryEquipment Rear seat
Left ,ri ght
Car rycotF
GISO/L1
ISO/L2X
X
Category 0:up to10 kgand appr ox. 6 months EISO/R1I L
Category 0+: upto13 kgand appr ox.15 months E
D
CISO/R1
ISO/R2, ISO/R2X
ISO/R3IL
IL
IL
1 58
Occupant saf ety

We
ight categories Size categoryEquipment Rear seat
Left ,ri ght
Category I: 9to 18 kgand between appr ox. 9 months and 4 yearsD
C
B
B1
A ISO/R2, ISO/R2X
ISO/R3
ISO/F2
ISO/F2X
ISO/F3IL
IL
1
IUF
IUF
IUF
1 When using a child restra int sy stem of size category C (ISO/R3), mo vethe front seat tothe highest position. Make sure that the seat backrest of the
front seat does not rest against thech ild restra int sy stem. Note
s onthe suitability of seats for attach‐
ing i‑Size child restra int sy stems
Obser vethefo llowing information:
R When using a rear wa rd-facing child
re stra int sy stem: adjust the front seat so
th at it does not touch thech ild restra int sys‐
te m.
R When using a forw ard-facing child
re stra int sy stem: remo vethe head restra int
from there spective seat, if possible (→
page 93). In addition, the seat backrest
of thech ild restra int sy stem must, as far as
possible, lie flat against the backrest of the
ve hicle seat.
R When youre mo vethech ild restra int sy stem,
fi t th e head restra int immediately
(→ page 93) and adjust all the head
re stra ints again cor rectly.
R Makesure that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat forw ard slightl y. R
Obser vethe manufacturer's ins tallation
instructions forth ech ild restra int sy stem.
Legend forth eta ble:
XN otsuitable for an i-Size child restra int sys‐
te m in the "Universal" categor y.
i‑U Suitable forfo rw ard-facing and rear wa rd-
fa cing i-Size child restra int sy stems in the
"Universal" categor y. Occupant saf
ety59

Fr
ont passenger seat Left rear seat Centrerear seat Rightrear seat
i-Size child restra int sy stem
(ISO/R2, ISO/F2X, ISO/B2,
ISO/B3) Xi
‑UXi ‑UNote
s onrecommended child restra int sy stems Re
commended child restra int sy stems for attaching with the vehicle seat belt We
ight categories Manufactu rerT ype Approval number
(E1 ...) Order number
(A 000 ...) with
col‐
our code 9H95
Category 0:
up to10 kg
up toappr oximately 6 mon ths Britax
Römer BABY SAFE plus II 04 301 1469 701302
Catego ry0+:
up to13 kg
up toappr oximately 15months Britax
Römer BABY SAFE plus II 04 301 1469 701302 60
Occupant saf ety

We
ight categories Manufactu rerT ype Approval number
(E1 ...) Order number
(A 000 ...) with
col‐
our code 9H95
Category I:
9 to 18 kg
between appr oximately 9 mon ths and 4 years Britax
Römer DUO plus0 4 3011339 701702
Catego ryII/III:
15 to36 kg
between appr oximately 4 and 12years Britax
Römer KIDFIX 04 3011989 70 20 02
Britax Römer KIDFIX XP 04 301 304970 23 02 Re
commended "Universal" and "Semi-Universal" category ISOFIX child restra int sy stems We
ight categories Size categor yManufacturer Type Approval number
(E1 ...) Order number (col‐
our code: 9H95)
Catego ry0+:
up to13 kg
up toappr oximately
15 months EB
rita xRö mer BABY SAFE plu s0 4 301146B 6 6 86 8224
Catego ryI:
9 to 18 kg B1
BritaxRömer DUO plus0 4 3011339 701702 Occupant saf
ety61

%
You can obtain fur ther information on the
cor rect child restra int sy stem at any
Mercedes-Benz Service Centre. Child saf
ety loc ks Ac
tivating/deactivating the child saf ety lock
fo r the rear doors &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If yo u lea vechildren unat tended in theve hi‐
cle, they may be able toset theve hicle in
motion, forex ample by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position jor shifting manual trans‐
mission into idle position.
R starting the engine.
In addition, they may operate vehicle equip‐
ment and become trapped. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe digital vehicle
ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. &
WARNING Risk offata l injury due to
ex posure toextreme heat or cold in the
ve hicle
If people –particularly children – are exposed
to extreme temp eratures over an extended
pe riod of time, there is a risk of serious or
ev en fata l injury! #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. #
Never lea veanimals in theve hicle unat‐
te nded. &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are tra velling in theve hicle, they
could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample. #
Alw ays activate thech ild saf ety loc ks
ins talled if children are tra velling in the
ve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe Digital Vehicle
Ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. 62
Occupant saf ety

Child saf
ety loc ksforth ere ar doors and there ar
side wind owsareavailable.
The child saf ety lock on there ar doors secures
each door separatel y.The doors can no longer
be opened from the inside. #
Press the le ver in direction 1(activate) or
2 (deactivate). #
Make sure that thech ild saf ety loc ksare
wo rking properly. Ac
tivating/deactivating the child saf ety lock
fo r the rear side windo ws #
Toactivate/deacti vate:press button 2.
The rear side wind owcan be opened or
closed in thefo llowing cases:
R with indicator lamp 1lit: via the switch
on the driver's door R
with indicator lamp 1off: via the switch
on the cor responding rear door or driv‐
er's door Note
s on pets in theve hicle &
WARNING Risk of accident and inju ry
due toanimals left unsecured or unat‐
te nded in theve hicle
If yo u lea veanimals in theve hicle unatten‐
ded or unsecured, they could possib lypress
down buttons or switches.
Thereby an animal may:
R activate vehicle equipment and become
trapped, forex ample
R swit chsystems on or off and endanger
ot her road users
Uns ecured animals may be throw n around in
th eve hicle in theeve nt of an accident or
sudden steering and braking manoeuvres
and injure vehicle occupants in the process. Occupant saf
ety63

#
Never lea veanimals in theve hicle unat‐
te nded. #
Alw ays cor rectly secu reanimals while
driving, e.g. using a suitable animal car‐
ri er. 64
Occupant saf ety

Key
Overview of
key functions &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hi‐
cle in motion, forex ample, by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position jor shifting manual trans‐
mission into idle position.
R starting the engine. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe Digital Vehicle
Ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. #
Keep theve hicle key out of reach of
ch ildren. This also applies tothe Digital
Ve hicle Key if the "Digital Vehicle Key"
function is activated via Mercedes me
connect. *
NO
TEDama getotheke y caused by
magnetic fields #
Keep theke yaw ay from strong mag‐
netic fields. 1
Locks
2 Battery check lamp
3 Unloc ks
% The key may vary from the one shown in the
diagram, depending on theve hicle equip‐
ment.
The key loc ksand unlo cksth efo llowing compo‐
nents:
R the doors
R the fuel filler flap
R theta ilgate Opening and closing
65

The indicator lamp in
the door trim on the driv‐
er's side flashes when theve hicle is loc ked from
outside. The indicator lamp goes out if theve hi‐
cle is loc ked from inside or while theve hicle is in
motion.
If th eve hicle is not opened within appr oximately
40 seconds af ter unlocking, it loc ksagain. Anti-
th eft pr otection is primed again.
Do not keep theke yto ge ther with electronic
devices or me tal objects. This can af fect the
ke y's functionalit y.
% If battery check lamp 2does not light up
af te r pressing the% or& button, the
battery is dischar ged.
Re placing theke y bat tery ( →page 67). Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
, © .
Settings .
Vehicle #
Activate or deacti vate Acoustic lock . Ac
tivating/deactivating the panic alarm Re
quirements:
% The panic alarm function is only available in
cer tain countries.
R The ignition is switched off. #
Toactivate: press button 1for appro x‐
ima tely one second.
A visual and audible alarm is triggered. #
Todeactivate: briefly press but ton1 again.
or #
Press thest art/ stop button on the cockpit
(the key is inside theve hicle). Changing
the unlocking settings Po
ssible unlocking functions of theke y:
R cent ral unlocking
R unlocking the driver's door and fuel filler flap #
Toswitch between settings: pressthe
% and& buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
If th e unlocking function forth e driver's door
and fuel filler flap has been selec ted:
R pressing the% button a second time cen‐
trally unloc kstheve hicle
R Vehicles with KEYLESS-GO: ifyo uto uch
th e inner sur face of the door handle on the
driver's door, only the driver's door and fuel
fi ller flap are unlo cked. Deactivating
theke y functions If
yo u do not use theve hicle or a keyfo r an
ex tended pe riod of time, you can reduce the
energy consum ption of there spective key.Todo
so, deactivate theke y functions. 66
Opening and closing

#
Todeactivate: pressthe& button on the
ke y twice in quick succession.
The battery check lamp of theke yflashes
twice brief lyand lights up once. #
Toactivate: press any button on thekey.
% When theve hicle is star ted with theke y in
th estow age compartment of the cent recon‐
sole, theke y functions are automatical ly
activated (→ page154). Re
moving/inserting the eme rgency key #
Toremo ve:press release button 1.
Emer gency key2 is pushed out slight ly. #
Pull out emer gency key2 until it en gage s in
th e intermediate position.
% You can use the intermediate position of
emer gency key2 toattach theke yto akey
ri ng. #
Press release button 1again and fully
re mo veemer gency key2. #
Toinser t:press release button 1. #
Insert emer gency key2 tothe intermediate
position or fully until it engages.
% Depending on theve hicle's equipment, the
intermediate position is not available. Re
placing the key battery &
DANG ER Serious damage tohealth
caused byswallowing batteries
Batteries contain toxic and cor rosive sub‐
st ances. Swallowing bat teries may cause
serious damage tohealth.
There is a risk of fata l injur y. #
Keep batteries out of there ach of chil‐
dren. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
in pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmen tally responsible manner.
Ta ke dischar ged batteries toaqu alified
specialist workshop or toa collection
point for used batteries. Opening and closing
67